400054251012 has 24 divisors (see below), whose sum is σ = 1005264528576. Its totient is φ = 123093615648.

The previous prime is 400054251011. The next prime is 400054251029. The reversal of 400054251012 is 210152450004.

It is not an unprimeable number, because it can be changed into a prime (400054251011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282225008 + ... + 1282225319.

It is an arithmetic number, because the mean of its divisors is an integer number (41886022024).

Almost surely, 2^400054251012 is an apocalyptic number.

It is an amenable number.

400054251012 is an abundant number, since it is smaller than the sum of its proper divisors (605210277564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400054251012 is a wasteful number, since it uses less digits than its factorization.

400054251012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564450347 (or 2564450345 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 400054251012 in words is "four hundred billion, fifty-four million, two hundred fifty-one thousand, twelve".